import time

def bubble_sort (nums):
    swapped = True
    while swapped:
        swapped = False
        for i in range(len(nums) - 1):
            if nums[i] > nums[i + 1]:
                nums[i], nums[i + 1] = nums[i + 1], nums[i]
                swapped = True
                
def read2list (filename):
    file = open(filename, 'r')
    data = file.readlines ()
    return data

m1= read2list("m1_sorted.txt")
m2 = read2list("m2_reverse.txt")
m3 = read2list("m3_shuffle.txt")

t_start = time. time()
bubble_sort (m1)
t_finish = time.time()
print("m1_sorted", round((t_finish-t_start) *1000),"milliseconds")

t_start = time. time()
bubble_sort (m2)
t_finish = time.time()
print("m2_reverse", round ((t_finish-t_start) *1000),"milliseconds")

t_start = time. time()
bubble_sort (m3)
t_finish = time.time()
print("m3_shuffle", round((t_finish-t_start)*1000),"milliseconds")
